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Mazda MX-5 Coupe vs Mercedes SL Class comparison

Compare performance (132 HP vs 816 HP), boot space and price (30,800 £ vs 112,700 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Coupe or Mercedes SL Class?

Mazda MX-5 Coupe vs Mercedes SL Class: Key differences

Mazda MX-5 Coupe

  • substantially cheaper
  • substantially more efficient
  • clearly lighter

Mercedes SL Class

  • substantially more power
  • considerably quicker 0–100 km/h

Here’s where it gets real: The technical differences in detail

MX-5 Coupe

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mazda MX-5 Coupe is substantially cheaper – starting at 30,800 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 81,856 £.

Fuel consumption also shows a difference: the Mazda MX-5 Coupe uses 6.2 L/100km and is substantially more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 2.8 L/100km.

SL Class

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes SL Class offers substantially more power – delivering 816 HP compared to 132 HP. That’s roughly 684 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is considerably quicker – completing the sprint in 2.9 s, while the Mazda MX-5 Coupe takes 8.6 s. That’s about 5.7 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers substantially more torque with 1,420 Nm compared to 152 Nm. That’s about 1,268 Nm more.

MX-5 Coupe

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: Mercedes SL Class offers more seats – 4 vs 2.

In terms of curb weight, Mazda MX-5 Coupe is clearly lighter – 1,114 kg compared to 1,810 kg. The difference is around 696 kg.

When it comes to payload, the Mercedes SL Class carries clearly more – 375 kg compared to 166 kg. That’s a difference of about 209 kg.

Who wins the race in the data check?

The Mercedes SL Class stands well ahead of its rival in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £112,700
SL Class

Mercedes SL Class

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 381 - 816 HP
  • Consumption L/100km : 9 - 13.6 L/100km
  • Electric Range : 12 km
Mazda MX-5 Coupe
Mercedes SL Class

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mazda MX-5 Coupe

The Mazda MX-5 is a delightfully pure driver's car, wrapped in a compact package and tuned to make steering inputs feel like a conversation rather than a chore. It won’t overwhelm you with gadgetry, but what it delivers—nimble handling, instant feedback and an honest grin every time you drive—makes it a brilliant choice for anyone who values fun over flash.

details

Mercedes SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

details
Mazda MX-5 Coupe
Mercedes SL Class

Costs and Consumption

Price
30,800 - 36,200 £
Price
112,700 - 219,300 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
9 - 13.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
12 km
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
206 - 309 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Coupe
Body Type
Roadster
Seats
2
Seats
4
Doors
-
Doors
-
Curb weight
1,114 kg
Curb weight
1,810 - 2,195 kg
Trunk capacity
127 L
Trunk capacity
-
Length
-
Length
-
Width
1,735 mm
Width
1,915 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
166 kg
Payload
145 - 375 kg

Engine and Performance

Engine Type
Petrol
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Manuel
Transmission
Automatic
Transmission Detail
Manual Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
132 HP
Power HP
381 - 816 HP
Acceleration 0-100km/h
8.6 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
-
Max Speed
-
Torque
152 Nm
Torque
480 - 1,420 Nm
Number of Cylinders
4
Number of Cylinders
4 - 8
Power kW
97 kW
Power kW
280 - 600 kW
Engine capacity
1,496 cm3
Engine capacity
1,991 - 3,982 cm3

General

Model Year
2,025
Model Year
2,025
CO2 Efficiency Class
E
CO2 Efficiency Class
G
Brand
Mazda
Brand
Mercedes-Benz
DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.